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Summary of Significant Accounting Policies - Goodwill (Details) - USD ($) $ in Thousands | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2015 | Mar. 31, 2016 | Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2014
Goodwill, Written off Related to Sale of Business Unit |  |  | $ (7,536) |  |
Goodwill, Gross |  |  | 1,082,540 | $ 1,095,731 | $ 1,126,418
Goodwill, Accumulated Impairment Loss |  |  | (784,053) | (678,342) | (150,842)
Goodwill |  |  | 298,487 | 417,389 | 975,576
Goodwill, Acquired During Period |  |  |  | 2,984 | 246,600
Goodwill, Translation Adjustments |  |  | (5,655) | (33,671) |
Goodwill, Period Increase (Decrease) |  |  | (13,191) | (30,687) |
Goodwill, Impairment Loss |  |  | 105,711 |  |
Industrial [Member] |  |  |  |  |
Goodwill, Written off Related to Sale of Business Unit |  |  | (1,075) |  |
Goodwill, Gross |  |  | 449,329 | 455,371 | 472,337
Goodwill, Accumulated Impairment Loss |  |  | (150,842) | (150,842) | (150,842)
Goodwill |  |  | 298,500 | 304,529 | 321,495
Goodwill, Acquired During Period |  |  |  | 2,984 |
Goodwill, Translation Adjustments |  |  | (4,967) | (19,950) |
Goodwill, Period Increase (Decrease) |  |  | (6,042) | (16,966) |
Goodwill, Impairment Loss |  |  | 0 |  |
Infrastructure [Member] |  |  |  |  |
Goodwill, Written off Related to Sale of Business Unit |  |  | (6,461) |  |
Goodwill and Intangible Asset Impairment | $ 106,100 |  |  |  |
Goodwill, Gross |  |  | 633,211 | 640,360 | 654,081
Goodwill, Accumulated Impairment Loss |  |  | (633,211) | (527,500) | 0
Goodwill |  |  | 0 | 112,860 | $ 654,081
Goodwill, Acquired During Period |  |  |  | 0 |
Goodwill, Translation Adjustments |  |  | (688) | (13,721) |
Goodwill, Period Increase (Decrease) |  |  | (7,149) | $ (13,721) |
Goodwill, Impairment Loss | (105,700) |  | $ 105,711 |  |
Infrastructure [Member] | Portfolio of Businesses for Strategic Alternatives [Member] |  |  |  |  |
Net Book Value |  | $ 30,000 |  |  |
March Charges [Member] | Infrastructure [Member] |  |  |  |  |
Goodwill and Intangible Asset Impairment |  | 152,900 |  |  |
Goodwill, Impairment Loss |  | (152,500) |  |  |
December Charges [Member] | Infrastructure [Member] |  |  |  |  |
Goodwill and Intangible Asset Impairment |  | 376,500 |  |  |
Goodwill, Impairment Loss |  | (375,000) |  |  |
Trademarks [Member] | Industrial [Member] |  |  |  |  |
Impairment of Intangible Assets (Excluding Goodwill) | 2,300 |  |  |  |
Trademarks [Member] | Infrastructure [Member] |  |  |  |  |
Impairment of Intangible Assets (Excluding Goodwill) | $ 400 |  |  |  |
Trademarks [Member] | March Charges [Member] | Infrastructure [Member] |  |  |  |  |
Impairment of Intangible Assets (Excluding Goodwill) |  | 400 |  |  |
Trademarks [Member] | Charge Associated with Finalization [Member] | Infrastructure [Member] |  |  |  |  |
Impairment of Intangible Assets (Excluding Goodwill) |  | 6,800 |  |  |
Trademarks [Member] | December Charges [Member] | Infrastructure [Member] |  |  |  |  |
Impairment of Intangible Assets (Excluding Goodwill) |  | $ 1,500 |  |  |

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